package edu.friday.common.security.service;

import edu.friday.common.exception.CustomException;
import edu.friday.common.exception.user.UserPasswordNotMatchException;
import edu.friday.common.security.LoginUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;

@Component
public class SysLoginService {
    @Autowired
    private TokenService tokenService;

    @Resource
    private AuthenticationManager authenticationManager;

    public String login(String username, String password, String code, String uuid){
        Authentication authentication = null;
        try{
            authentication = authenticationManager.authenticate(new UsernamePasswordAuthenticationToken(username,password));
        }
        catch (Exception e){
            if( e instanceof BadCredentialsException ){
                throw new UserPasswordNotMatchException();
            }
            else{
                throw new CustomException(e.getMessage());
            }
        }

        LoginUser loginUser = (LoginUser) authentication.getPrincipal();

        return tokenService.createToken(loginUser);
    }
}
